marsh gas


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marsh gas:

see methanemethane
, CH4, colorless, odorless, gaseous saturated hydrocarbon; the simplest alkane. It is less dense than air, melts at −184°C;, and boils at −161.4°C;. It is combustible and can form explosive mixtures with air.
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marsh gas

[′märsh ‚gas]
(geochemistry)
Combustible gas, consisting chiefly of methane, produced as a result of decay of vegetation in stagnant water.

marsh gas

a hydrocarbon gas largely composed of methane formed when organic material decays in the absence of air
References in periodicals archive ?
Drilling investigations have been carried out at several locations in the study area, but the thickness of the Cretaceous layer, which may provide marsh gas, is not clear near the Harutori and Osotsunai faults.
Its common name used to be marsh gas because it can be seen bubbling up from marshy areas where organic material is decomposing.
Since bio-gas is a mixture of methane (also known as marsh gas or natural gas) and carbon dioxide, it is a renewable fuel produced from waste treatment.